Finding the Fourth Proportional to 7,394,314.80, 11,091,472.20 and 2,607,409.20
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Solution
The fourth proportional to 7,394,314.80, 11,091,472.20 and 2,607,409.20 is: 3,911,113.80
Step by Step Solution
- Step 1: Write the proportion equation
7,394,314.80 : 11,091,472.20 = 2,607,409.20 : x - Step 2: Convert to fraction form
7,394,314.80/11,091,472.20 = 2,607,409.20/x - Step 3: Cross multiply
7,394,314.80x = 11,091,472.20 × 2,607,409.20 - Step 4: Simplify right side
7,394,314.80x = 28,920,006,655,824.24 - Step 5: Solve for x
x = 28,920,006,655,824.24/7,394,314.80 - Step 6: Final answer
x = 3,911,113.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.